Answer:
x=1
Step-by-step explanation:
1 + 1/3 = 4/9
1/3 also equals 3/9
hope this helped :)
Answer:
subtract because its a subtraction problem
Step-by-step explanation:
Answer:
Sample size = n = 37
Now we are supposed to find that the mean number of calls per salesperson per week is more than 42?
Since n > 30 so we will use z test
Formula :
Substitute the values
Z value at 0.100 is 1.64
Since the calculated z value is greater than the defined z value
So, we accept the null hypothesis
Hence we conclude that the mean number of calls per salesperson per week is not more than 42
Answer:
y= -1/2
x=3/2
Step-by-step explanation:
first isolate x
2x+4y=1
2x=1-4y
x=(1-4y)/2
subsitute it in the second equation
look at the pic